13782520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 32970240

約数和(自身を除く): 19187720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 211, 230, 284, 355, 422, 460, 568, 710, 844, 920, 1055, 1420, 1633, 1688, 2110, 2840, 3266, 4220, 4853, 6532, 8165, 8440, 9706, 13064, 14981, 16330, 19412, 24265, 29962, 32660, 38824, 48530, 59924, 65320, 74905, 97060, 119848, 149810, 194120, 299620, 344563, 599240, 689126, 1378252, 1722815, 2756504, 3445630, 6891260, 13782520]

約数ペア:

[(1, 13782520), (2, 6891260), (4, 3445630), (5, 2756504), (8, 1722815), (10, 1378252), (20, 689126), (23, 599240), (40, 344563), (46, 299620), (71, 194120), (92, 149810), (115, 119848), (142, 97060), (184, 74905), (211, 65320), (230, 59924), (284, 48530), (355, 38824), (422, 32660), (460, 29962), (568, 24265), (710, 19412), (844, 16330), (920, 14981), (1055, 13064), (1420, 9706), (1633, 8440), (1688, 8165), (2110, 6532), (2840, 4853), (3266, 4220)]